Practice Quiz #1
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Consider that the function f(x) is defined graphically:

Correct!
Correct!
Correct!
Let two functions f(x) and g(y) be defined by table of values:
| x | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|
| f | 4 | 8 | -1 | 4 | 7 | 6 | 0 |
| x | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|
| g | 7 | 6 | 1 | 2 | 3 | 4 | 5 |
Write the sum of all values of x that the composition g∘f is not determined. In case there is no such values, write -1
Correct!
Assume you have the following graph of f(x):

What is the correct transition from it to ∣f(∣x∣+1)∣:
1

2

3

Correct!